• Title/Summary/Keyword: ICMA-1

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A Study on the Treatment Effect of Dojeckjiyu-tang for Ulcerative Colitis (도적지유탕이 궤양성 대장염 유발 흰쥐에 미치는 영향)

  • 김승욱;임성우
    • The Journal of Korean Medicine
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    • v.23 no.3
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    • pp.200-210
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    • 2002
  • Objectives: Dojeckjiyu-tang has been used to treat Hwaseol & Jeokri. The object of this study is examination of the treatment effect of Dojeckjiyu-tang for ulcerative colitis of the mouse descending colon. Methods and Materials : Twenty-one rats were divided into 3 groups and treated as follows: the control group was untreated mice. The UCE group was ulcerative colitis elicited mice. The DJT group was Dojeckjiyu-tang treated mice after ulcerative colitis elicitation. The groups were examined with common morphology, paneth cells in intestinal crypt, absorptive cells and goblet cells in epithelium, cell division in mucose, COX-1 as mucosal protector, COX-2 (which appears to play an important role in inflammation), IL-2R-, ICMA-1-inducing cellular immuno-chainreaction, and the distribution of apoptotic cells. Results: 1. The morphology of colonic mucosa from UCE mice: the disappearance of epithelium and intestinal propria in hemorrhagic erosions were seen, but in the morphology of colonic mucosa from DJT-treated mice, the configuration of epithelium and intestinal propria were the same as normal. 2. The distribution of goblet cells and absorptive cells with microvilli in intestinal propria from UCE mice: a noticeable decrease of goblet cells and absorptive cells with microvilli were seen, but with the distribution of goblet cells and absorptive cells with microvilli in intestinal propria from DJT -treated mice, the configuration of goblet cells and absorptive cells with microvilli were the same as normal. 3. The immunohistochemical stain for BrdD in colonic mucosa and COX-1 in lamina propria from UCE mice: BrdU positive cells and COX-1 positive cells in the region of hemorrhagic erosion disappeared, but in the immunohistochemical stain for BrdU in colonic mucosa and COX-1 in lamina propria from DIT-treated mice, BrdU positive cells and COX-1 positive cells were seen. 4. The immunohistochemical stain for COX-2 in lamina propria, IL-2R-in lamina propria, intestinal propria and submucosa and ICMA-1 in intestinal propria and submucosa from DCE mice: a noticeable increase COX-2, IL-2R-, ICMA-1 positive cells were seen, but in the immunohistochemical stain for COX-2 in lamina propria, IL-2R-in lamina propria, intestinal propria and submucosa and ICMA-1 in intestinal propria and submucosa from DJT-treated mice, a numerical decrease of COX-2, IL-2R-, ICMA-1 positive cells was observed. 5. The distribution of apoptotic cells in epithelium and lamina propria from UCE mice: a noticeable increase of apoptotic cells in region of hemorrhagic erosion was seen, but in the distribution of apoptotic cells in epithelium and lamina propria from DJT-treated mice, a remarkable decrease of apoptotic cells was seen. Conclusions: According to the above results, Dojeckjiyu-tang has a moderate effect on ulcerative colitis in descending colon.

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A Retrospective Study on the Effect of Traditional Korean Medicine on Obsessive-Compulsive Disorder (강박장애 환자의 한방치료 효과에 대한 후향적 연구)

  • Choi, Kang-Eah;Lee, Yu-Jin;Kim, Yeonju;Yoo, Jong-Ho
    • Journal of Oriental Neuropsychiatry
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    • v.33 no.3
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    • pp.329-337
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    • 2022
  • Objectives: To examine effects of traditional Korean medical treatment on obsessive-compulsive disorder (OCD). Methods: Effects of Korean medical treatment on patients with OCD who visited the neuropsychiatric clinic of Korean medicine were examined. Patients were treated with acupuncture, herbal medication, and oriental psychotherapy. Padua-ICMA, Y-BOCS, BDI-2, STAI-X1/X2, BAI were compared before and after 8 and 12 weeks of treatment to determine whether symptoms of patients were improved. Results: After 8 weeks treatment (n=19), Padua-ICMA, Y-BOCS, BDI-2, STAI-X1/X2, and BAI scores were significantly decreased. After 12 weeks treatment (n=12), Padua-ICMA, Y-BOCS, BDI-2, STAI-X1/X2, and BAI scores were also significantly decreased. Conclusions: Traditional Korean medicine is clinically effective in treating OCD.

Production of Monoclonal Antibody to Human Chorionic Gonadotropin(hCG) : Purification and Properties of a Monoclonal Antibody, and Immunochemiluminometric assay(ICMA) for the Assay of hCG (Human Chorionic Gonadotropin(hCG)에 대한 단일콜론항체 생산 : 단일클론항체의 분리정제 및 그 특성조사와 hCG정량을 위한 Immunochemiluminometric assay(ICMA)개발)

  • 최상훈;이병철;오재욱;이용환;서광영;정길생;김종배
    • Korean Journal of Animal Reproduction
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    • v.12 no.1
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    • pp.51-62
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    • 1988
  • Spleen cells of mouse immunized with hCG were fused with myeloma cell (SP 2/0 Ag 14) to produce monoclonal antibody against hCG. Several clones of hybridoma secreting monoclonal antibody were established and antibodies were characterized in terms of titer, subisotyping and sensitivity in immunoassay. Several methods, for the purification of anti¬bodies, based on gel-filtration, DEAE-ion exchange chromatography and affinity chromatography. were applied and compared each other by the result of SDS-PAGE. Two-site immunochemiluminometric assay (ICMA) involving the use of an excess concentration of a specific monoclonal antibody passively adsorbed onto the walls of plastic tubes and a chemiluminescence labelled antibody conjugate were de¬veloped for the determination of hCG as a preliminary study.

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Production of porcine fibroblasts carrying a vector enforced specific expression of CD73 to endothelial cells (돼지 혈관내피세포 특이적 CD73 발현 벡터가 도입된 돼지 섬유아세포 생산)

  • Oh, Keon Bong;Lee, Haesun;Hwang, Seongsoo;Ock, Sun-A;Chung, Hak-Jae;Byun, Sung June;Lee, Poongyeon;Im, Gi-Sun
    • Journal of Embryo Transfer
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    • v.31 no.3
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    • pp.161-168
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    • 2016
  • Nucleotide metabolism in endothelium is variable between different species. Recent studies demonstrated that this variability could contribute coagulation dysfunction, even though organs of the alpha 1,3-galactosyltransferase gene knockout pig were transplanted into the primate. CD73 (ecto-5'-nucelotidase) is an enzyme at cell surface catalyzing the hydrolysis of adenosine triphosphate to adenosine, which plays role on a substance for anti-inflammatory and anti-coagulant. Thus, overexpression of CD73 in endothelial cells of the pig is considered as an approach to reduce coagulopathy. In this study, we constructed a human CD73 expression vector under control of porcine Icam2 promoter (pIcam2-hCD73), which is expressed specifically at endothelial cells, and of CMV promoter as a control (CMV-CD73). First, we transfected the CMV-CD73 vector into HEK293 cells, and then confirmed CD73 expression at cell surface by flow cytometry analysis. Next, we transfected the pIcma2-CD73 and CMV-CD73 vectors into primary porcine fibroblasts and endothelial cells. Consequence was that the pIcma2-CD73 vector was expressed only at the porcine endothelial cells, meaning that the pIcam2 promoter lead to endothelial cell-specific expression of CD73 in vitro. Finally, we nucleofected the pIcam2-hCD73 vector into passage 3 fibroblasts, and enforced hygromycin selection of 400mg/ml. We were able to obtain forty three colonies harboring pIcam2-CD73 to provide donor cells for transgenic cloned porcine production.

Identification of Endothelial Specific Region in the Intracellular Adhesion Molecule-2 (ICAM2) Promoter of Miniature Pig

  • Jang, Hoon;Jang, Won-Gu;Kim, Dong Un;Kim, Eun-Jung;Hwang, Sung Soo;Oh, Keon Bong;Lee, Jeong-Woong
    • Reproductive and Developmental Biology
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    • v.36 no.3
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    • pp.207-212
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    • 2012
  • The shortage of human organs for transplantation has induced the research on the possibility of using animal as porcine. However, pig to human transplantation as known as xeno-transplantation has major problem as immunorejection. Recently, the solutions of pig to human xenotransplantation are commonly mentioned as having a genetically modification which include alpha 1, 3 galatosyl transferase knockout (GTKO) and immune-suppressing gene transgenic model. Unfortunately, the expression level of transgenic gene is very low activity. Therefore, development of gene overexpression system is the most urgent issue. Also, the tissue specific overexpression system is very important. Because most blood vessels are endothelial cells, establishment of the endothelial-specific promoter is attractive candidates for the introduction of suppressing immunorejection. In this study, we focus the ICAM2 promoter which has endothelial-specific regulatory region. To detect the regulatory region of ICAM2 promoter, we cloned 3.7 kb size mini-pig ICAM2 promoter. We conduct serial deletion of 5' flanking region of mini-pig ICAM2 promoter then selected promoter size as 1 kb, 1.5 kb, 2 kb, 2.5 kb, and 3 kb. To analyze promoter activity, luciferase assay system was conducted among these vectors and compare endothelial activity with epithelial cells. The reporter gene assay revealed that ICAM2 promoter has critical activity in endothelial cells (CPAE) and 1 kb size of ICAM2 promoter activity was significantly increased. Taken together, our studies suggest that mini-pig ICMA2 promoter is endothelial cell specific overexpression promoter and among above all size of promoters, 1 kb size promoter is optimal candidate to overcome the vascular immunorejection in pig to human xenotransplantation.

Institutional Arrangement and Policy Context Underlying Sustainability Actions in the U.S.: Lessons for Asian Regions

  • Hwang, Joungyoon;Song, Minsun;Cho, Seong
    • Journal of Contemporary Eastern Asia
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    • v.19 no.1
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    • pp.59-83
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    • 2020
  • This paper examines the actions and the factors driving those actions to reduce energy consumption and enhance energy efficiency taken by United States cities. While not much empirical evidence is available on why governments pursue practical sustainability actions, we attempt to shed more light on this important topic by empirically identifying factors that contribute to concrete actions toward sustainability policies. We adopt political market theory as a basic theoretical framework with policy-making applied to city energy consumption. Using the 2010 ICMA (local government sustainability policies and program) data, this study expands the focus of analyses to evaluate the effect of the form of government on energy consumption and energy efficiency by using multiple regression analysis. The findings show that at the city level, the mayor-council form of government are negatively associated with governments' efforts to reduce energy consumption. However, cities with at-large elections and municipal ownership are more likely to adopt sustainability actions. We also find that a large-scale economy has significant effects on the effort to reduce city energy consumption and improve energy efficiency. This shows that environmental policies are directly connected to locally relevant affairs, including housing, energy use, green transportation, and water. Thus, local level administrators could take an executive role to protect the environment, encourage the development of alternative energy, and reduce the use of fossil fuel and coal energy. These efforts can lead to important environmental ramifications and relevant actions by municipal governments.